Gate latch



FIG. 1 is a perspective view of a gate latch showing my new design, the broken-line disclosure of portions of a gate are for illustrative purposes only and form no part of the claimed design;

FIG. 2 is an end view thereof;

FIG. 3 is an opposite end view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a rear view thereof. 

The ornamental design for a gate latch, as shown and described. 